I analyzed the selling prices of similar used cars. The closest match is the 2020 GAC GS3 I4 1.5L GE (Top) with 121000 km sold for 35000 SAR and another with 119000 km sold for 31000 SAR. Considering the higher mileage of 145000 km and average condition, a depreciation adjustment is necessary. The 2020 GAC GS3 I4 1.3L Turbocharged with 136000 km sold for 25500 SAR, which is a closer match in terms of engine type and mileage. The listed price of a similar car was 27500 SAR but was not sold. Factoring in the higher mileage and average condition, the estimated price is adjusted accordingly.